Class: DynamoidAdvancedWhere::Nodes::OrNode
- Includes:
- Concerns::Negatable
- Defined in:
- lib/dynamoid_advanced_where/nodes/or_node.rb
Instance Attribute Summary collapse
-
#child_nodes ⇒ Object
Returns the value of attribute child_nodes.
Attributes inherited from BaseNode
Instance Method Summary collapse
- #expression_attribute_names ⇒ Object
- #expression_attribute_values ⇒ Object
-
#initialize(*child_nodes) ⇒ OrNode
constructor
A new instance of OrNode.
- #or(other_value) ⇒ Object (also: #|)
- #to_expression ⇒ Object
Methods included from Concerns::Negatable
Constructor Details
#initialize(*child_nodes) ⇒ OrNode
Returns a new instance of OrNode.
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# File 'lib/dynamoid_advanced_where/nodes/or_node.rb', line 7 def initialize(*child_nodes) self.child_nodes = child_nodes.freeze freeze end |
Instance Attribute Details
#child_nodes ⇒ Object
Returns the value of attribute child_nodes.
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# File 'lib/dynamoid_advanced_where/nodes/or_node.rb', line 5 def child_nodes @child_nodes end |
Instance Method Details
#expression_attribute_names ⇒ Object
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# File 'lib/dynamoid_advanced_where/nodes/or_node.rb', line 18 def expression_attribute_names child_nodes.map(&:expression_attribute_names).inject({}, &:merge!) end |
#expression_attribute_values ⇒ Object
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# File 'lib/dynamoid_advanced_where/nodes/or_node.rb', line 22 def expression_attribute_values child_nodes.map(&:expression_attribute_values).inject({}, &:merge!) end |
#or(other_value) ⇒ Object Also known as: |
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# File 'lib/dynamoid_advanced_where/nodes/or_node.rb', line 26 def or(other_value) OrNode.new(other_value, *child_nodes) end |
#to_expression ⇒ Object
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# File 'lib/dynamoid_advanced_where/nodes/or_node.rb', line 12 def to_expression return if child_nodes.empty? "(#{child_nodes.map(&:to_expression).join(') or (')})" end |